package com.weiyuwqj.admin.controller.web;

import com.weiyuwqj.api.util.IpUtils;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class SimpleCORSFilter implements Filter {
  public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {

    HttpServletRequest request=(HttpServletRequest)req;
    HttpServletResponse response=(HttpServletResponse)res;
    response.setHeader("Access-Control-Allow-Origin", "*");
    response.setHeader("Access-Control-Allow-Methods", "POST,OPTIONS");
    response.setHeader("Access-Control-Max-Age", "3600");
    response.setHeader("Access-Control-Allow-Headers",
            "optional-header,x-requested-with,x-access-token,x-access-appid,Content-Type");
    IpUtils.set(request);
    chain.doFilter(req, res);
    IpUtils.clear();
  }
  public void init(FilterConfig filterConfig) {}
  public void destroy() {}
}